Submission #635048

#	Time	Username	Problem	Language	Result	Execution time	Memory
635048		inksamurai	Hindeks (COCI17_hindeks)	C++17	45 / 50	306 ms	23848 KiB

hindeks

#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
#define rng(i,c,n) for(int i=c;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define fi first
#define se second
#define pb push_back
#define sz(a) (int)a.size()
#define vec(...) vector<__VA_ARGS__>
#define _3PGDklf ios::sync_with_stdio(0),cin.tie(0)
typedef long long ll;
using pii=pair<int,int>;
using vi=vector<int>;
void print(){cout<<'\n';}
template<class h,class...t>
void print(const h&v,const t&...u){cout<<v<<' ',print(u...);}
// e

signed main(){
_3PGDklf;
	int n;
	cin>>n;
	std::map<int,int> mp;
	rep(i,n){
		int v;
		cin>>v;
		mp[v]+=1;
	}
	int now=0;
	per(i,500011){
		now+=mp[i];
		if(i<=now){
			print(i);
			return 0;
		}
	}
}

• Subtask 1: 45 / 50